Blue Sea Fuse A3T (Class T) 150 Amp 5114B-BSS

The Blue Sea Fuse A3T (Class T) 150 Amp – 5114B‑BSS is a high-performance, fast-acting power fuse engineered for DC systems, especially in marine, RV, and off-grid applications.

⚙️ Description (detailed)

• Provides 150 A continuous current protection and supports up to 125 V DC operation

• Designed with an extremely fast short-circuit response, offering 20,000 A interrupt capacity (AIC) to handle high fault currents safely

• Features 3/8″ (M10) silver-plated stud terminals for enhanced electrical conductivity and corrosion resistance in harsh environments

• Sized to fit Class‑T fuse blocks (5007100 series) supporting 110–200 A ranges; compact form factor suitable where space is limited

• UL‑listed (UL 248‑15; DC tested per UL 198L), ensuring compliance with safety standards for DC circuit protection

Blue Sea 5114 A3T fuse 150A with extremely fast short-circuit response and 20,000 Amp Interrupt Capacity (AIC) at 125V DC.

Stud Size: 3/8″

Stud Torque: 3/8″ in-lb (0.34 Nm)

Recommended by most inverter manufacturers

Maximum Operating Voltage: 160V DC

Additional information